@article{BASM_2018_1_a5,
     author = {V. I. Arnautov and G. N. Ermakova},
     title = {Properties of finite unrefinable chains of ring topologies for nilpotent rings},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {67--75},
     publisher = {mathdoc},
     number = {1},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2018_1_a5/}
}